Degrees of freedom refer to the number of independent movements or parameters that can vary in a system.

A fuse acts like a safety valve in a water system, protecting the circuit from excessive current by breaking the connection.

A battery is analogous to a water pump, as it provides the energy needed to move the current through the circuit.

Mass spectrometry separates ions based on their mass-to-charge ratio, allowing for the identification of different groups.

Using the Pythagorean theorem, the distance from point A is √(30^2 + 40^2) = 50 meters.

You type with a keyboard, just as you click with a mouse.

The conclusion is valid based on the premises.

The conclusion does not logically follow from the premises.

The conclusion is valid. Since all whales are mammals and no mammals lay eggs, it follows that no whales lay eggs.

S is the sister-in-law of P as she is the sister of P's husband, R.

Ravi starts facing North. He walks South 10m, then turns left (East) and walks 5m, then turns left again (North) and walks 10m, ending up North of his starting point.

Image 3 is the correct mirror image of the original figure.

Option A completes the alternating pattern of shapes.

The series follows a color change pattern, and B is the correct answer.

Piano is a musical instrument, while the others are sports.

Oxygen is a reactive gas, while the others are noble gases.

Semantic memory is contrasted with episodic memory, which involves personal experiences.

Sita walks West, then turns right (North) and walks 10 meters, so she is now facing North.

The conclusion is valid. Since all sparrows are birds and some birds can fly, it follows that some sparrows can fly.

The conclusion logically follows from the premises.

The conclusion is valid. If some cars are red and all red things are fast, then it follows that some cars are fast.

The conclusion logically follows from the premises.

The conclusion logically follows from the premises.

The conclusion is valid. If some students are diligent and all diligent people succeed, then it follows that some students succeed.

The sun is associated with the day, just as the moon is associated with the night.

You drink water, just as you eat food.

These are perfect squares: 1^2, 2^2, 3^2, 4^2, so the next is 5^2 = 25.

The sequence follows a pattern of increasing by one, so the next number is 4.

This is the Fibonacci series where each number is the sum of the two preceding ones: 3+5=8.

A compass indicates Magnetic North, which is the direction that a compass needle points to due to the Earth's magnetic field.